package stringbuilder;


public class AppendDemo {
    public static void main(String[] args) {
        String str="好好学习java";

        StringBuilder builder=new StringBuilder(str);
        builder.append(",为了找个好工作");
        System.out.println(builder);
        /**
         * append（）:追加内容----在末尾追加
         */


    }
}
